*{
    margin: 0;
    padding: 0;
}
html,body{
    width: 100%;
    height: 100%;
    background: #f5f5f5;
    overflow-x: hidden;
    font-family: "微软雅黑";
    font-size:50px;
    margin:0;
    overflow-y:auto;
    -webkit-overflow-scrolling: touch;
    padding:0
}
img{
    width: 153px;
    position: absolute;
    left: calc((100% - 153px) / 2);
    top: calc((100% + 20px - 124px) / 2);
}
